![]() Dr. Brian Marovets, M.D. Family Medicine Medicare: Accepting Medicare Assignments Practice Location: 498 N Highland St, Williamsburg, IA 52361 Phone: 319-668-6789  | 
![]() Dr. Charlotte Hershberger Koenig, MD Family Medicine Medicare: Not Enrolled in Medicare Practice Location: 819 S Highland St, Williamsburg, IA 52361 Phone: 319-668-2722 Fax: 319-668-2625  |